Natasha Paremski, a fine pianist who captivated audiences in her debut recital here a year and a half ago, returns to the Bay Area to play Rachmaninov's beloved Piano Concerto No. 2 with the Peninsula Symphony. Mitchell Sardou-Klein's hardworking group are also presenting Shostakovich's whimsical Symphony No. 9 and Wagner's Overture to Rienzi.